Please help Please tell me whether it is an open or closed circle on the graph.
Solve each inequality and graph its solution...

a. m/3-3≤-6

b. -b-2>8

c. -4(3+n)>-32

d. n-3+4>7

e. 8(1-4x)>40

f. -(2+2m)-2>6

g. 4(8-2b)-2b≤32

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?